What’s happening at National Wildlife Federation this week? It’s flu season for ‘ewe.’ For bighorn sheep in Montana, communicable diseases-including pneumonia-are a huge problem. Plant your own “Mother Willow!” Help …

Blue crabs are one of nature’s survivors. This tough little creature—whose scientific name Callinectes sapidus translates to “savory beautiful swimmer”—is a critical part of the Gulf’s food chain, eaten by …